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2024-09-13 - 06:02

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #a, slot #5

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackaslot5s.osadl.org (updated Fri Sep 13, 2024 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811140,0rcu_preempt19-21ksoftirqd/121:49:541
811090,0rcu_preempt19616-1kworker/0:0H19:34:330
811040,0rcu_preempt30072-1kworker/0:2H00:05:050
811000,0rcu_preempt19-21ksoftirqd/123:24:461
81960,0rcu_preempt19-21ksoftirqd/100:05:041
81930,0rcu_preempt19-21ksoftirqd/123:51:451
81890,0rcu_preempt19-21ksoftirqd/121:14:471
81830,0rcu_preempt19-21ksoftirqd/122:09:451
81800,0rcu_preempt19-21ksoftirqd/121:28:341
81800,0rcu_preempt19-21ksoftirqd/100:19:211
81790,0rcu_preempt19-21ksoftirqd/123:54:451
81780,0rcu_preempt30046-21kworker/1:119:49:571
81760,0rcu_preempt54-21kswapd022:50:011
81760,0rcu_preempt19-21ksoftirqd/100:28:091
81740,0rcu_preempt19-21ksoftirqd/121:44:161
81730,0rcu_preempt19-21ksoftirqd/123:10:541
81720,0rcu_preempt19-21ksoftirqd/122:43:331
81720,0rcu_preempt19-21ksoftirqd/122:08:161
81720,0rcu_preempt19-21ksoftirqd/100:02:141
81710,0rcu_preempt19-21ksoftirqd/123:18:331
81710,0rcu_preempt19-21ksoftirqd/100:20:501
81710,0rcu_preempt19-21ksoftirqd/100:20:501
81700,0rcu_preempt19-21ksoftirqd/122:48:391
81700,0rcu_preempt19-21ksoftirqd/122:38:271
81690,0rcu_preempt19-21ksoftirqd/121:45:281
81690,0rcu_preempt19-21ksoftirqd/121:14:051
81680,0rcu_preempt19-21ksoftirqd/123:30:491
81670,0rcu_preempt19-21ksoftirqd/123:42:321
81670,0rcu_preempt19-21ksoftirqd/120:19:531
81660,0rcu_preempt19-21ksoftirqd/123:35:471
81660,0rcu_preempt19-21ksoftirqd/121:31:191
81660,0rcu_preempt19-21ksoftirqd/100:38:501
81650,0rcu_preempt3-21ksoftirqd/000:35:010
81650,0rcu_preempt19-21ksoftirqd/122:00:251
149912650,0sleep09950irq/345-484840023:02:390
81630,0rcu_preempt19-21ksoftirqd/122:29:471
95192620,0sleep09950irq/345-484840022:15:490
81620,0rcu_preempt3-21ksoftirqd/022:41:140
81620,0rcu_preempt19-21ksoftirqd/122:24:511
81620,0rcu_preempt19-21ksoftirqd/121:35:031
81610,0rcu_preempt3-21ksoftirqd/021:40:260
81610,0rcu_preempt3-21ksoftirqd/021:36:040
81610,0rcu_preempt3-21ksoftirqd/000:19:500
81610,0rcu_preempt3-21ksoftirqd/000:19:500
81610,0rcu_preempt19-21ksoftirqd/122:16:461
81600,0rcu_preempt3-21ksoftirqd/019:14:440
81590,0rcu_preempt3-21ksoftirqd/023:09:320
81590,0rcu_preempt3-21ksoftirqd/022:24:460
81580,0rcu_preempt3-21ksoftirqd/022:10:320
81580,0rcu_preempt3-21ksoftirqd/022:01:070
28222580,0sleep09950irq/345-484840022:47:520
81570,0rcu_preempt3-21ksoftirqd/000:09:480
81570,0rcu_preempt19-21ksoftirqd/120:04:451
81570,0rcu_preempt19-21ksoftirqd/119:32:531
81560,0rcu_preempt3-21ksoftirqd/023:09:530
81560,0rcu_preempt26603-21apt-get19:54:431
81560,0rcu_preempt19-21ksoftirqd/123:46:391
81560,0rcu_preempt19-21ksoftirqd/120:15:031
21582560,0sleep09950irq/345-484840021:28:240
110042560,0sleep19950irq/345-484840022:57:531
81550,0rcu_preempt3-21ksoftirqd/023:55:370
81550,0rcu_preempt3-21ksoftirqd/019:19:550
81550,0rcu_preempt19-21ksoftirqd/121:19:521
166462550,0sleep09950irq/345-484840023:44:520
81540,0rcu_preempt3-21ksoftirqd/000:02:060
81540,0rcu_preempt22381-1kworker/1:2H23:20:501
81540,0rcu_preempt19-21ksoftirqd/122:59:341
81530,0rcu_preempt19-21ksoftirqd/123:04:511
81530,0rcu_preempt19-21ksoftirqd/120:44:571
81530,0rcu_preempt19-21ksoftirqd/120:29:331
81530,0rcu_preempt19-21ksoftirqd/119:14:511
279222530,0sleep09950irq/345-484840022:39:270
81520,0rcu_preempt19-21ksoftirqd/120:55:011
81520,0rcu_preempt19-21ksoftirqd/100:30:011
81510,0rcu_preempt3748-21kworker/0:020:24:450
81510,0rcu_preempt19-21ksoftirqd/121:57:371
81500,0rcu_preempt54-21kswapd020:22:120
81500,0rcu_preempt19-21ksoftirqd/121:04:531
302612500,0chrt9950irq/345-484840023:20:430
81490,0rcu_preempt3-21ksoftirqd/023:33:180
81490,0rcu_preempt3-21ksoftirqd/020:03:570
266772490,0chrt9950irq/345-484840023:16:320
81480,0rcu_preempt3455-21apt-get00:09:421
81480,0rcu_preempt19-21ksoftirqd/120:59:331
81470,0rcu_preempt3-21ksoftirqd/022:05:210
81470,0rcu_preempt3-21ksoftirqd/020:14:470
81470,0rcu_preempt3-21ksoftirqd/020:09:450
250142470,0chrt9950irq/345-484840021:16:190
81460,0rcu_preempt3-21ksoftirqd/023:49:340
81460,0rcu_preempt3-21ksoftirqd/022:59:120
81460,0rcu_preempt3-21ksoftirqd/020:07:380
81460,0rcu_preempt3-21ksoftirqd/019:05:010
81460,0rcu_preempt19-21ksoftirqd/119:59:501
81450,0rcu_preempt3-21ksoftirqd/022:33:590
81450,0rcu_preempt3-21ksoftirqd/021:20:330
81450,0rcu_preempt3-21ksoftirqd/021:10:050
81440,0rcu_preempt3-21ksoftirqd/023:43:320
81440,0rcu_preempt3-21ksoftirqd/023:27:470
81440,0rcu_preempt3-21ksoftirqd/022:19:560
81440,0rcu_preempt3-21ksoftirqd/021:50:060
81440,0rcu_preempt3-21ksoftirqd/000:30:490
81440,0rcu_preempt3-21ksoftirqd/000:15:070
81440,0rcu_preempt19-21ksoftirqd/120:24:501
81440,0rcu_preempt19-21ksoftirqd/120:14:031
81430,0rcu_preempt3-21ksoftirqd/021:54:530
81430,0rcu_preempt12064-21diskstats19:09:491
65292430,0sleep09950irq/345-484840021:33:490
81420,0rcu_preempt3-21ksoftirqd/021:45:240
81420,0rcu_preempt3-21ksoftirqd/021:00:080
81420,0rcu_preempt0-21swapper/120:34:431
10050420,0irq/346-48484000-21swapper/119:35:381
9950410,0irq/345-484840014260-21ssh22:21:531
9950410,0irq/345-48484000-21swapper/019:24:470
81410,0rcu_preempt19-21ksoftirqd/119:04:591
9950400,0irq/345-48484000-21swapper/019:43:540
81400,0rcu_preempt21917-21diskstats19:39:531
81380,0rcu_preempt3-21ksoftirqd/022:53:090
81380,0rcu_preempt3-21ksoftirqd/020:49:440
81380,0rcu_preempt15152-21munin-node1
81370,0rcu_preempt3-21ksoftirqd/020:34:520
81370,0rcu_preempt3-21ksoftirqd/000:24:470
10050370,0irq/346-48484006312-1kworker/0:1H23:36:110
10050370,0irq/346-48484005536-21latency_hist20:29:330
81360,0rcu_preempt54-21kswapd019:14:280
81360,0rcu_preempt3-21ksoftirqd/020:46:270
81360,0rcu_preempt3-21ksoftirqd/019:54:340
81360,0rcu_preempt3-21ksoftirqd/019:49:110
81360,0rcu_preempt19-21ksoftirqd/120:39:531
81360,0rcu_preempt19-21ksoftirqd/119:48:401
9950350,0irq/345-484840014205-21iwlist20:54:510
81350,0rcu_preempt19-21ksoftirqd/120:54:001
81350,0rcu_preempt16789-1kworker/0:0H21:05:010
9950340,0irq/345-48484003-21ksoftirqd/019:35:030
10050340,0irq/346-48484006818-1kworker/0:3H20:40:170
10050330,0irq/346-48484000-21swapper/019:49:430
9950320,0irq/345-48484000-21swapper/119:26:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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